<!DOCTYPE html>
<html class='reftest-wait'>
  <link rel='stylesheet' type='text/css' href='style.css'>
  <body onload="document.getElementById('b').setCustomValidity('foo');
                document.documentElement.className = '';">
    <form novalidate>
      <button id='b' class='notinvalid'></button>
    </form>
  </body>
</html>
